In this book, we take stock and reflect on what roles might be created to enable a sustainable economy. Sensitivity to corporate social responsibility, and ideas, agendas, principles, practices, and arrangements of sustainability are areas that require creating new roles and entrepreneurial approaches. We address emerging roles of existing businesses, markets, approaches, and practices for a sustainable economy. The first part deals with digitalization, green businesses, and sustainability, then we discuss social entrepreneurship and the role of SMEs in different sectors, and finally we end with the key organizational challenges in achieving sustainable development and how these might be overcome.